Take two leeches and call me in the morning. That's probably not what you want to hear from your doctor. Check out some of the most bizarre things humans have done in the name of medicine.

For decades, many people have been enthralled with the abilities of superheroes: super strength, super speed, and mind control. But what if powers like these, and more, could be realized in real life? This book explores some of the most believable accounts of superhuman abilities and uses science to help prove or disprove certain powers. Full of photographs, eyewitness accounts, hoaxes, and scientific evidence, this book delves into the real world of superpowers.

Introduces readers to the life, diet, habitat, behavior, and physical description of American beavers. Colorful spreads, fun facts, diagrams, a range map, and a special reading feature make this an exciting read for animal lovers and report writers alike.

Plant roots are amazing! From keeping plants anchored in the ground to sucking up water from the soil, roots are an essential part of plants. Some go deep below Earth’s surface while others spread far and wide just below the dirt. Dig in to discover how roots help plants survive.

From a kitten’s purr to a lion establishing his dominance, communication is vital for felines of all shapes and sizes. This book explains the different ways cats communicate and what these messages mean for both house pets and cats in the wild.

For centuries, creatures of all shapes and sizes have been invented in the human imagination. Many stories about these creatures have stemmed from older myths and continue to appear in society today. One such creature is the goblin. Goblins inspired many great writers of more recent times, such as J. R. R. Tolkien, George MacDonald, and Christina Rossetti. They continue to appear in movies and on television, usually as demons. This book dives into the fantastical stories of goblins, explores ways in which they have changed over time, and reveals how they are represented today.

The changing fall leaves mark the turn of the seasons. Other trees stay green year-round. Scientists use these characteristics and others to classify different species of trees as deciduous or coniferous. This book explains these differences and invites readers to test their knowledge.